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Finding the Fourth Proportional to 79,817.91, 110,149.17 and 44,007.30

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Solution

The fourth proportional to 79,817.91, 110,149.17 and 44,007.30 is: 60,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,817.91 : 110,149.17 = 44,007.30 : x
  2. Step 2: Convert to fraction form
    79,817.91/110,149.17 = 44,007.30/x
  3. Step 3: Cross multiply
    79,817.91x = 110,149.17 × 44,007.30
  4. Step 4: Simplify right side
    79,817.91x = 4,847,367,403.91
  5. Step 5: Solve for x
    x = 4,847,367,403.91/79,817.91
  6. Step 6: Final answer
    x = 60,730.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.